---
title: "SmartSub vs auto-subs"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/buxuku-smartsub-vs-tmoroney-auto-subs"
tools: ["buxuku-smartsub", "tmoroney-auto-subs"]
---

# SmartSub vs auto-subs

*GraphCanon updated Sep 20, 2026*

## Verdict

Pick SmartSub if smartSub is a desktop application for subtitling tasks like transcription, translation, proofreading, and subtitle burn-in with local-first processing and GPU acceleration; pick auto-subs if auto-subs is an on-device subtitle generation tool built with TypeScript and Rust for seamless integration with DaVinci Resolve, Premiere, and After Effects.

[SmartSub](https://smartsub.linxiaodong.com/) reports 5.3k GitHub stars, 400 forks, and 50 open issues, last pushed Sep 16, 2026. [auto-subs](https://tom-moroney.com/auto-subs/) has 4.3k stars, 284 forks, and 295 open issues, last pushed Sep 19, 2026. Figures are from public GitHub metadata via [SmartSub's repository](https://github.com/buxuku/SmartSub) and [auto-subs's repository](https://github.com/tmoroney/auto-subs).

| | [SmartSub](/tools/buxuku-smartsub.md) | [auto-subs](/tools/tmoroney-auto-subs.md) |
| --- | --- | --- |
| Tagline | A desktop subtitle tool supporting ASR and translation | On-device subtitle generation for video editing software. |
| Stars | 5,253 | 4,250 |
| Forks | 400 | 284 |
| Open issues | 50 | 295 |
| Language | TypeScript | TypeScript |
| Adopt for | SmartSub is a desktop application for subtitling tasks like transcription, translation, proofreading, and subtitle burn-in with local-first processing and GPU acceleration. | Auto-subs is an on-device subtitle generation tool built with TypeScript and Rust for seamless integration with DaVinci Resolve, Premiere, and After Effects. |
| Persona | - | - |
| Runtime | - | - |
| License | MIT | MIT |
| Categories | Speech & Audio | Developer Tools, Speech & Audio |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [SmartSub](/tools/buxuku-smartsub.md) | [auto-subs](/tools/tmoroney-auto-subs.md) |
| --- | --- | --- |
| Days since push | 3d | 0d |
| Open issues (now) | 50 | 295 |
| Stars delta | +629 (30d) | +311 (30d) |
| Open issues delta | +7 (30d) | +97 (30d) |
| Full report | [trust report](/tools/buxuku-smartsub/trust.md) | [trust report](/tools/tmoroney-auto-subs/trust.md) |

## Decision facts: SmartSub

- **Adopt for:** SmartSub is a desktop application for subtitling tasks like transcription, translation, proofreading, and subtitle burn-in with local-first processing and GPU acceleration.

## Decision facts: auto-subs

- **Pricing:** freemium - Freely downloadable under the MIT license but consider supporting the developer for continued improvements.
- **Requirements:** Min 4 GB RAM
- **Adopt for:** Auto-subs is an on-device subtitle generation tool built with TypeScript and Rust for seamless integration with DaVinci Resolve, Premiere, and After Effects.

## Choose when

### Choose SmartSub if…

- Tags unique to SmartSub: asr, gpu acceleration, subtitle, translation.
- Need multi-engine ASR support including both local and online services
- More GitHub stars (5.3k vs 4.3k) - visibility, not fit.

### Choose auto-subs if…

- Pricing: Freely downloadable under the MIT license but consider supporting the developer for continued improvements..
- Requirements: Min 4 GB RAM.
- Tags unique to auto-subs: ai, cross-platform, davinci-resolve, premiere.
- Also covers Developer Tools.
- Use Auto-subs when you need seamless subtitle integration directly within video editing software like DaVinci Resolve, Premiere, or After Effects.

## When NOT to use SmartSub

- Looking for mobile app capabilities instead of desktop application support
- Do not need the complexity of multiple engines or advanced GPU acceleration configurations

## When NOT to use auto-subs

- Do not use Auto-subs if the requirement is for cloud-based real-time speech-to-text functionality as it operates entirely on-device.
- Avoid using Auto-subs in environments where Python or other languages are required over TypeScript and Rust due to potential compatibility issues.

## Common questions

### What is the difference between SmartSub and auto-subs?

SmartSub: A desktop subtitle tool supporting ASR and translation. auto-subs: On-device subtitle generation for video editing software.. See the comparison table for live GitHub stats and shared categories.

### When should I choose SmartSub over auto-subs?

Choose SmartSub over auto-subs when Tags unique to SmartSub: asr, gpu acceleration, subtitle, translation; Need multi-engine ASR support including both local and online services; More GitHub stars (5.3k vs 4.3k) - visibility, not fit.

### When should I choose auto-subs over SmartSub?

Choose auto-subs over SmartSub when Pricing: Freely downloadable under the MIT license but consider supporting the developer for continued improvements.; Requirements: Min 4 GB RAM; Tags unique to auto-subs: ai, cross-platform, davinci-resolve, premiere; Also covers Developer Tools; Use Auto-subs when you need seamless subtitle integration directly within video editing software like DaVinci Resolve, Premiere, or After Effects.

### When should I avoid SmartSub?

Looking for mobile app capabilities instead of desktop application support Do not need the complexity of multiple engines or advanced GPU acceleration configurations

### When should I avoid auto-subs?

Do not use Auto-subs if the requirement is for cloud-based real-time speech-to-text functionality as it operates entirely on-device. Avoid using Auto-subs in environments where Python or other languages are required over TypeScript and Rust due to potential compatibility issues.

### Is SmartSub or auto-subs more popular on GitHub?

SmartSub has more GitHub stars (5,253 vs 4,250). Stars measure visibility, not whether either tool fits your constraints.

### Are SmartSub and auto-subs open source?

Yes - both are open-source projects on GitHub (SmartSub: MIT, auto-subs: MIT).

### Where can I find alternatives to SmartSub or auto-subs?

GraphCanon lists graph-backed alternatives at [SmartSub alternatives](/tools/buxuku-smartsub/alternatives) and [auto-subs alternatives](/tools/tmoroney-auto-subs/alternatives) ([SmartSub markdown twin](/tools/buxuku-smartsub/alternatives.md), [auto-subs markdown twin](/tools/tmoroney-auto-subs/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/buxuku-smartsub-vs-tmoroney-auto-subs.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, SmartSub or auto-subs?

SmartSub: Very active. auto-subs: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for SmartSub and auto-subs?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [SmartSub trust report](/tools/buxuku-smartsub/trust); [auto-subs trust report](/tools/tmoroney-auto-subs/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=buxuku-smartsub`](/api/graphcanon/graph?tool=buxuku-smartsub)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
